Home / 152,220.20-228,330.30-47,071.40

Finding the Fourth Proportional to 152,220.20, 228,330.30 and 47,071.40

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Solution

The fourth proportional to 152,220.20, 228,330.30 and 47,071.40 is: 70,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,220.20 : 228,330.30 = 47,071.40 : x
  2. Step 2: Convert to fraction form
    152,220.20/228,330.30 = 47,071.40/x
  3. Step 3: Cross multiply
    152,220.20x = 228,330.30 × 47,071.40
  4. Step 4: Simplify right side
    152,220.20x = 10,747,826,883.42
  5. Step 5: Solve for x
    x = 10,747,826,883.42/152,220.20
  6. Step 6: Final answer
    x = 70,607.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.